Shameless plug follows: check out the "Auditor": DIN rail, 6 channels, three phases, real-time over WiFi or 3G, highly configurable, Class 1, UL61010, etc. around US$200 includes CTs.
Jon Keeble wattwatchers.com.au On Tue, Feb 13, 2018 at 8:36 AM, Brian O'Connell <oconne...@tamuracorp.com> wrote: > Will admit to having done this stuff with using microcontrollers and discrete > sequential data channels and of sufficient sampling speed, but am subject to > frequent bouts of idiocy. And this was for process control, and thus not a > Type Test. Also, note that there is a difference in technique and equipment > between power loggers and an analytical instrument. > > Best done with an instrument intended for this measurement; that is 'power > analyzers'. Typically found on shelves at Keysite, Tektronix (nee Voltech), > Ametek, Chroma, etc. And many Tek and keysite DSOs have a 'plug-in' for > doing power measurements. All of this instrument-grade stuff can easily > handle external sensors. > > > Brian > > -----Original Message----- > From: Amund Westin [mailto:am...@westin-emission.no] > Sent: Monday, February 12, 2018 1:05 PM > To: EMC-PSTC@LISTSERV.IEEE.ORG > Subject: [PSES] Current measurement > > If you want to calculate the consumed power (W) in a 1-phase AC circuit, you > can use a current clamp-on device to measure the current in one lead/wire > and multiply with the applied voltage. > But with such a current clamp on device, to we measure the apparent power > (VA) or the real power (W)? > > Best regards > Amund > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <emc-p...@ieee.org> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <sdoug...@ieee.org> > Mike Cantwell <mcantw...@ieee.org> > > For policy questions, send mail to: > Jim Bacher: <j.bac...@ieee.org> > David Heald: <dhe...@gmail.com> -- Jon Keeble CTO m: 0407 842 840 e: j...@wattwatchers.com.au skype: jkeeble wattwatchers.com.au - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <sdoug...@ieee.org> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
